[INFO] fetching crate darkengine 0.1.0...
[INFO] checking darkengine-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate darkengine 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate darkengine 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate darkengine 0.1.0
[INFO] finished tweaking crates.io crate darkengine 0.1.0
[INFO] tweaked toml for crates.io crate darkengine 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d494b6e364e5c1fb4b028544c2dfe0dbd5185d054ab95d5d3df053eb37942523
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d494b6e364e5c1fb4b028544c2dfe0dbd5185d054ab95d5d3df053eb37942523"`
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]    Compiling ears v0.5.1
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking bmfont v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/color_quant-1.0.1/src/lib.rs:340:41
[INFO] [stderr]     |
[INFO] [stderr] 340 |             self.colormap[i].b = clamp!(self.network[i].b.round() as i32);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/color_quant-1.0.1/src/lib.rs:341:41
[INFO] [stderr]     |
[INFO] [stderr] 341 |             self.colormap[i].g = clamp!(self.network[i].g.round() as i32);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/color_quant-1.0.1/src/lib.rs:342:41
[INFO] [stderr]     |
[INFO] [stderr] 342 |             self.colormap[i].r = clamp!(self.network[i].r.round() as i32);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/color_quant-1.0.1/src/lib.rs:343:41
[INFO] [stderr]     |
[INFO] [stderr] 343 |             self.colormap[i].a = clamp!(self.network[i].a.round() as i32);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `color_quant`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d494b6e364e5c1fb4b028544c2dfe0dbd5185d054ab95d5d3df053eb37942523"`
[INFO] running `"docker" "rm" "-f" "d494b6e364e5c1fb4b028544c2dfe0dbd5185d054ab95d5d3df053eb37942523"`
[INFO] [stdout] d494b6e364e5c1fb4b028544c2dfe0dbd5185d054ab95d5d3df053eb37942523